The first letter of each word makes Suribachi. Mt. Suribachi held special significance in the Battle of Iwo Jima because that is where the US Marines raised the flag
The word Suribachi was an actual message transmitted by the code talkers during an important battle in World War II. The message relayed by the code talkers let the Allied commanders know that US Marines had taken Mount Suribachi. This was a turning point in the battle and in the war itself. Once the marines gained a foothold on Mount Suribachi, they were able to take the rest of the island, destroying the Japanese stronghold there.
One of the main reasons for the civil war was the differences with slaves about whether it was illegal or legal to have slaves. This could have been avoided if there was agreement on how slaves should be treated.